19419916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1031}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 36148896

約数和(自身を除く): 16728980

約数列:

[1, 2, 4, 17, 34, 68, 277, 554, 1031, 1108, 2062, 4124, 4709, 9418, 17527, 18836, 35054, 70108, 285587, 571174, 1142348, 4854979, 9709958, 19419916]

約数ペア:

[(1, 19419916), (2, 9709958), (4, 4854979), (17, 1142348), (34, 571174), (68, 285587), (277, 70108), (554, 35054), (1031, 18836), (1108, 17527), (2062, 9418), (4124, 4709)]